From the answer:
I don't know if the global versions have partial bills from a PO, but try it open the PO, create bill, if you have it you will be asked if this is a full or partial entry otherwise create the bill, then yes delete the line items that were not receive

From the answer:
Hi Ali, Let me share with you some information about QuickBooks Online training.... You can go over to this video tutorial for visual guide on how to work with QuickBooks Online: QuickBooks Tutorials.